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Proceedings Paper

Improved method for processing Newton's rings fringe patterns
Author(s): Adrian Dobroiu; Adrian Alexandrescu; Dan Apostol; Victor Nascov; Victor S. Damian
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Paper Abstract

A new method of processing Newton's rings fringe patterns is presented. After the center of the circular rings is found, a special type of pixel intensity spectrum is calculated, in which the 2D pattern is reduced to a 1D profile showing a periodic structure of fringes. By further processing the parameters of the initial interferogram can be easily extracted. The statistical nature of the method leads to a higher accuracy and a better immunity to noise.

Paper Details

Date Published: 23 February 2000
PDF: 6 pages
Proc. SPIE 4068, SIOEL '99: Sixth Symposium on Optoelectronics, (23 February 2000); doi: 10.1117/12.378693
Show Author Affiliations
Adrian Dobroiu, National Institute for Laser, Plasma and Radiation Physics (Romania)
Adrian Alexandrescu, Univ. Politehnica Bucharest (Romania)
Dan Apostol, National Institute for Laser, Plasma and Radiation Physics (Romania)
Victor Nascov, National Institute for Laser, Plasma and Radiation Physics (Romania)
Victor S. Damian, National Institute for Laser, Plasma and Radiation Physics (Romania)


Published in SPIE Proceedings Vol. 4068:
SIOEL '99: Sixth Symposium on Optoelectronics
Teodor Necsoiu; Maria Robu; Dan C. Dumitras, Editor(s)

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